In a grid of an auditorium, the vertices of a section of seats are A(40, 20), B(80, 20), C(100, 70), and D(40, 70). The coordinates are measured in feet. Find the area of the section.

answer: i think its red because you have to see what it equals to

hope that

well it says right there your brother is 13; "your age". so lets keep it simple. you are 13 years old and there is no way to put this into any kind of equation without wanting to tear your hair out. who came up with this?